On August 19, 2022, China Southern Power Grid Co., Ltd. announced on its unified supply chain service platform (www.bidding.csg.cn) the "Announcement on the Results of the First Batch of Framework Tendering Projects of China Southern Power Grid Corporation for 2022 Main Network Line Materials" .
      Qingdao Hengfengyou Transmission Line tower Tower Co., Ltd. has won bids for angle steel towers, steel pipe towers, and substation structural support steel structure products, with a total bid of about 40 million yuan, accounting for about 3.01% of the company's audited operating income in 2021.